--- a/common/scp_tab.cc
+++ b/common/scp_tab.cc
@@ -148,7 +148,7 @@
 		nm.replace(0,top.length()+1,"");
 	const char * n = nm.c_str();
 	size_t full, sub,diff;
-	char * last_dot = strrchr(n,'.');
+	char * last_dot = const_cast<char*>(strrchr(n,'.'));
 	char * ret = 0;
 	if (last_dot != 0)
 		{